Edwards Drystar EDP400 Series

Index
A705-40-880 Issue B
© Edwards Limited 2011. All rights reserved. Page 75
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A
Abnormal operation .......................................8
Accessories ........................................... 7, 73
Adjust the pump coolant jacket trip temperature
(pumps fitted with a temperature transmitter, if re-
quired)
.................................................... 29
Adjust the TCV (thermostatic control-valve)
....... 30
Adjust the thermal snap-switch (if fitted) .......... 29
Allow the pump to warm up ........................... 32
ATEX system control
.................................... 31
C
Change the pump oil and clean the oil-level sight-glass-
es .......................................................... 40
Check for coolant leaks
................................ 46
Check the coolant level and refill if necessary
..... 45
Check the direction of pump rotation ................ 23
Check the gearbox oil-level ............................ 20
Check the gearbox oil-level and fill the gearbox with oil
(if necessary)
............................................. 36
Check the shaft-seals purge supply ................... 37
Clean the cooling system
............................... 51
Clean the cooling-water filter ......................... 51
Clean the cooling-water flow indicator .............. 51
Clean the heat exchanger
.............................. 53
Clean, inspect and relubricate the rotor bearings .43
Commission the pump .................................. 29
Commissioning procedure
.............................. 29
Connect the cooling-water supply .................... 25
Connect the electrical supply to the pump-motor .21
Connect the pump coolant jacket temperature sensor
introduction 21
Connect the pump-inlet and outlet
................... 27
Connect the pump-inlet to your process system
... 27
Connect the pump-outlet to your exhaust system .28
Connect the shaft-seals purge nitrogen supply
..... 25
Connect the temperature transmitter (if fitted)
... 22
Connect the thermal snap-switch (if fitted) ........ 22
Connections
.............................................. 13
Cooling-water data
...................................... 11
D
Disposal ................................................... 71
Drain the coolant from the cooling system
.......... 51
Drive coupling operation .................................3
Drive operation ............................................3
E
Electrical connections .................................. 20
Electrical data ........................................... 10
F
Fault finding .............................................. 68
Fill the pump with a different coolant
............... 45
Fit a replacement service module .................... 63
Fit the coupling cover to the new pump-motor .... 58
Fit the new service module
............................ 65
Flush a pump which has been operating ............. 46
Flush a seized pump .................................... 48
Flush the pump with cleaning solution
.............. 46
H
Hazardous area and safe area versions of the pump 7
I
Inspect and reset the torque limiter (pumps with a
torque limiter only)
..................................... 33
Inspect the components removed from the service
module
.................................................... 65
Inspect the pipelines and connections
............... 39
Inspect the pressure relief valve and replace the hinge
bushes, flap and O-ring (if necessary)
EDP250 and EDP400 only 39
Inspect the torque limiter
............................. 54
Installation ............................................... 17
L
Leak test the installation .............................. 28
Leak test the pump ................................ 40, 44
Locate the pump
........................................ 18
Lower the pump-motor and coupling cover (with the
motor change frame) ................................... 55
Lower the pump-motor and coupling cover (without
the motor change frame)
.............................. 54
Lubrication data
......................................... 12
M
Maintenance ............................................. 35
Maintenance plan
....................................... 35
Materials of construction
.............................. 16
Mechanical data ......................................... 10
N
Noise data ................................................ 12
Non-ATEX system control .............................. 32
Normal operation ..........................................7
O
Operating and storage conditions ......................9
Operation ................................................. 31
Operational safety
...................................... 31
Ordering options ..................................... 7, 73
Overhaul the pump ..................................... 54
Index